C = Colour: Moles that includes two to a few unique shades of brown need to be checked out a bit suspiciously. Moles colored blue, gray, crimson, black or white also could signal attainable melanoma. A mole of C-12 by definition weighs precisely 12 g and Avogadro's range is decided https://elliot83ea5.vblogetin.com/32206226/the-mole-diaries